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From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
Cc: Akhil Goyal <gakhil@marvell.com>,
	Anatoly Burakov <anatoly.burakov@intel.com>,
	Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
	Bruce Richardson <bruce.richardson@intel.com>,
	Chenbo Xia <chenbo.xia@intel.com>,
	Ciara Power <ciara.power@intel.com>,
	David Christensen <drc@linux.vnet.ibm.com>,
	David Hunt <david.hunt@intel.com>,
	Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>,
	Dmitry Malloy <dmitrym@microsoft.com>,
	Elena Agostini <eagostini@nvidia.com>,
	Erik Gabriel Carrillo <erik.g.carrillo@intel.com>,
	Fan Zhang <fanzhang.oss@gmail.com>,
	Ferruh Yigit <ferruh.yigit@amd.com>,
	Harman Kalra <hkalra@marvell.com>,
	Harry van Haaren <harry.van.haaren@intel.com>,
	Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>,
	Jerin Jacob <jerinj@marvell.com>,
	Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>,
	Matan Azrad <matan@nvidia.com>,
	Maxime Coquelin <maxime.coquelin@redhat.com>,
	Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>,
	Nicolas Chautru <nicolas.chautru@intel.com>,
	Olivier Matz <olivier.matz@6wind.com>, Ori Kam <orika@nvidia.com>,
	Pallavi Kadam <pallavi.kadam@intel.com>,
	Pavan Nikhilesh <pbhagavatula@marvell.com>,
	Reshma Pattan <reshma.pattan@intel.com>,
	Sameh Gobriel <sameh.gobriel@intel.com>,
	Shijith Thotton <sthotton@marvell.com>,
	Sivaprasad Tummala <sivaprasad.tummala@amd.com>,
	Stephen Hemminger <stephen@networkplumber.org>,
	Suanming Mou <suanmingm@nvidia.com>,
	Sunil Kumar Kori <skori@marvell.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	Viacheslav Ovsiienko <viacheslavo@nvidia.com>,
	Vladimir Medvedkin <vladimir.medvedkin@intel.com>,
	Yipeng Wang <yipeng1.wang@intel.com>,
	Tyler Retzlaff <roretzla@linux.microsoft.com>
Subject: [PATCH 03/21] power: use rte optional stdatomic API
Date: Mon, 16 Oct 2023 16:08:47 -0700	[thread overview]
Message-ID: <1697497745-20664-4-git-send-email-roretzla@linux.microsoft.com> (raw)
In-Reply-To: <1697497745-20664-1-git-send-email-roretzla@linux.microsoft.com>

Replace the use of gcc builtin __atomic_xxx intrinsics with corresponding
rte_atomic_xxx optional stdatomic API

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
 lib/power/power_acpi_cpufreq.c   | 33 +++++++++++++++++----------------
 lib/power/power_cppc_cpufreq.c   | 25 +++++++++++++------------
 lib/power/power_pstate_cpufreq.c | 31 ++++++++++++++++---------------
 3 files changed, 46 insertions(+), 43 deletions(-)

diff --git a/lib/power/power_acpi_cpufreq.c b/lib/power/power_acpi_cpufreq.c
index 6e57aca..8b55f19 100644
--- a/lib/power/power_acpi_cpufreq.c
+++ b/lib/power/power_acpi_cpufreq.c
@@ -7,6 +7,7 @@
 #include <stdlib.h>
 
 #include <rte_memcpy.h>
+#include <rte_stdatomic.h>
 #include <rte_string_fns.h>
 
 #include "power_acpi_cpufreq.h"
@@ -41,13 +42,13 @@ enum power_state {
  * Power info per lcore.
  */
 struct acpi_power_info {
-	unsigned int lcore_id;                   /**< Logical core id */
+	unsigned int lcore_id;               /**< Logical core id */
 	uint32_t freqs[RTE_MAX_LCORE_FREQS]; /**< Frequency array */
 	uint32_t nb_freqs;                   /**< number of available freqs */
 	FILE *f;                             /**< FD of scaling_setspeed */
 	char governor_ori[32];               /**< Original governor name */
 	uint32_t curr_idx;                   /**< Freq index in freqs array */
-	uint32_t state;                      /**< Power in use state */
+	RTE_ATOMIC(uint32_t) state;          /**< Power in use state */
 	uint16_t turbo_available;            /**< Turbo Boost available */
 	uint16_t turbo_enable;               /**< Turbo Boost enable/disable */
 } __rte_cache_aligned;
@@ -249,9 +250,9 @@ struct acpi_power_info {
 	 * ordering below as lock to make sure the frequency operations
 	 * in the critical section are done under the correct state.
 	 */
-	if (!__atomic_compare_exchange_n(&(pi->state), &exp_state,
-					POWER_ONGOING, 0,
-					__ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+	if (!rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state,
+					POWER_ONGOING,
+					rte_memory_order_acquire, rte_memory_order_relaxed)) {
 		RTE_LOG(INFO, POWER, "Power management of lcore %u is "
 				"in use\n", lcore_id);
 		return -1;
@@ -289,15 +290,15 @@ struct acpi_power_info {
 	RTE_LOG(INFO, POWER, "Initialized successfully for lcore %u "
 			"power management\n", lcore_id);
 	exp_state = POWER_ONGOING;
-	__atomic_compare_exchange_n(&(pi->state), &exp_state, POWER_USED,
-				    0, __ATOMIC_RELEASE, __ATOMIC_RELAXED);
+	rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state, POWER_USED,
+				    rte_memory_order_release, rte_memory_order_relaxed);
 
 	return 0;
 
 fail:
 	exp_state = POWER_ONGOING;
-	__atomic_compare_exchange_n(&(pi->state), &exp_state, POWER_UNKNOWN,
-				    0, __ATOMIC_RELEASE, __ATOMIC_RELAXED);
+	rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state, POWER_UNKNOWN,
+				    rte_memory_order_release, rte_memory_order_relaxed);
 
 	return -1;
 }
@@ -321,9 +322,9 @@ struct acpi_power_info {
 	 * ordering below as lock to make sure the frequency operations
 	 * in the critical section are done under the correct state.
 	 */
-	if (!__atomic_compare_exchange_n(&(pi->state), &exp_state,
-					POWER_ONGOING, 0,
-					__ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+	if (!rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state,
+					POWER_ONGOING,
+					rte_memory_order_acquire, rte_memory_order_relaxed)) {
 		RTE_LOG(INFO, POWER, "Power management of lcore %u is "
 				"not used\n", lcore_id);
 		return -1;
@@ -344,15 +345,15 @@ struct acpi_power_info {
 			"'userspace' mode and been set back to the "
 			"original\n", lcore_id);
 	exp_state = POWER_ONGOING;
-	__atomic_compare_exchange_n(&(pi->state), &exp_state, POWER_IDLE,
-				    0, __ATOMIC_RELEASE, __ATOMIC_RELAXED);
+	rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state, POWER_IDLE,
+				    rte_memory_order_release, rte_memory_order_relaxed);
 
 	return 0;
 
 fail:
 	exp_state = POWER_ONGOING;
-	__atomic_compare_exchange_n(&(pi->state), &exp_state, POWER_UNKNOWN,
-				    0, __ATOMIC_RELEASE, __ATOMIC_RELAXED);
+	rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state, POWER_UNKNOWN,
+				    rte_memory_order_release, rte_memory_order_relaxed);
 
 	return -1;
 }
diff --git a/lib/power/power_cppc_cpufreq.c b/lib/power/power_cppc_cpufreq.c
index fc9cffe..bb70f6a 100644
--- a/lib/power/power_cppc_cpufreq.c
+++ b/lib/power/power_cppc_cpufreq.c
@@ -6,6 +6,7 @@
 #include <stdlib.h>
 
 #include <rte_memcpy.h>
+#include <rte_stdatomic.h>
 
 #include "power_cppc_cpufreq.h"
 #include "power_common.h"
@@ -49,8 +50,8 @@ enum power_state {
  * Power info per lcore.
  */
 struct cppc_power_info {
-	unsigned int lcore_id;                   /**< Logical core id */
-	uint32_t state;                      /**< Power in use state */
+	unsigned int lcore_id;               /**< Logical core id */
+	RTE_ATOMIC(uint32_t) state;          /**< Power in use state */
 	FILE *f;                             /**< FD of scaling_setspeed */
 	char governor_ori[32];               /**< Original governor name */
 	uint32_t curr_idx;                   /**< Freq index in freqs array */
@@ -353,9 +354,9 @@ struct cppc_power_info {
 	 * ordering below as lock to make sure the frequency operations
 	 * in the critical section are done under the correct state.
 	 */
-	if (!__atomic_compare_exchange_n(&(pi->state), &exp_state,
-					POWER_ONGOING, 0,
-					__ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+	if (!rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state,
+					POWER_ONGOING,
+					rte_memory_order_acquire, rte_memory_order_relaxed)) {
 		RTE_LOG(INFO, POWER, "Power management of lcore %u is "
 				"in use\n", lcore_id);
 		return -1;
@@ -393,12 +394,12 @@ struct cppc_power_info {
 	RTE_LOG(INFO, POWER, "Initialized successfully for lcore %u "
 			"power management\n", lcore_id);
 
-	__atomic_store_n(&(pi->state), POWER_USED, __ATOMIC_RELEASE);
+	rte_atomic_store_explicit(&(pi->state), POWER_USED, rte_memory_order_release);
 
 	return 0;
 
 fail:
-	__atomic_store_n(&(pi->state), POWER_UNKNOWN, __ATOMIC_RELEASE);
+	rte_atomic_store_explicit(&(pi->state), POWER_UNKNOWN, rte_memory_order_release);
 	return -1;
 }
 
@@ -431,9 +432,9 @@ struct cppc_power_info {
 	 * ordering below as lock to make sure the frequency operations
 	 * in the critical section are done under the correct state.
 	 */
-	if (!__atomic_compare_exchange_n(&(pi->state), &exp_state,
-					POWER_ONGOING, 0,
-					__ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+	if (!rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state,
+					POWER_ONGOING,
+					rte_memory_order_acquire, rte_memory_order_relaxed)) {
 		RTE_LOG(INFO, POWER, "Power management of lcore %u is "
 				"not used\n", lcore_id);
 		return -1;
@@ -453,12 +454,12 @@ struct cppc_power_info {
 	RTE_LOG(INFO, POWER, "Power management of lcore %u has exited from "
 			"'userspace' mode and been set back to the "
 			"original\n", lcore_id);
-	__atomic_store_n(&(pi->state), POWER_IDLE, __ATOMIC_RELEASE);
+	rte_atomic_store_explicit(&(pi->state), POWER_IDLE, rte_memory_order_release);
 
 	return 0;
 
 fail:
-	__atomic_store_n(&(pi->state), POWER_UNKNOWN, __ATOMIC_RELEASE);
+	rte_atomic_store_explicit(&(pi->state), POWER_UNKNOWN, rte_memory_order_release);
 
 	return -1;
 }
diff --git a/lib/power/power_pstate_cpufreq.c b/lib/power/power_pstate_cpufreq.c
index 52aa645..5ca5f60 100644
--- a/lib/power/power_pstate_cpufreq.c
+++ b/lib/power/power_pstate_cpufreq.c
@@ -12,6 +12,7 @@
 #include <inttypes.h>
 
 #include <rte_memcpy.h>
+#include <rte_stdatomic.h>
 
 #include "rte_power_pmd_mgmt.h"
 #include "power_pstate_cpufreq.h"
@@ -59,7 +60,7 @@ struct pstate_power_info {
 	uint32_t non_turbo_max_ratio;        /**< Non Turbo Max ratio  */
 	uint32_t sys_max_freq;               /**< system wide max freq  */
 	uint32_t core_base_freq;             /**< core base freq  */
-	uint32_t state;                      /**< Power in use state */
+	RTE_ATOMIC(uint32_t) state;          /**< Power in use state */
 	uint16_t turbo_available;            /**< Turbo Boost available */
 	uint16_t turbo_enable;               /**< Turbo Boost enable/disable */
 	uint16_t priority_core;              /**< High Performance core */
@@ -555,9 +556,9 @@ struct pstate_power_info {
 	 * ordering below as lock to make sure the frequency operations
 	 * in the critical section are done under the correct state.
 	 */
-	if (!__atomic_compare_exchange_n(&(pi->state), &exp_state,
-					POWER_ONGOING, 0,
-					__ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+	if (!rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state,
+					POWER_ONGOING,
+					rte_memory_order_acquire, rte_memory_order_relaxed)) {
 		RTE_LOG(INFO, POWER, "Power management of lcore %u is "
 				"in use\n", lcore_id);
 		return -1;
@@ -600,15 +601,15 @@ struct pstate_power_info {
 	RTE_LOG(INFO, POWER, "Initialized successfully for lcore %u "
 			"power management\n", lcore_id);
 	exp_state = POWER_ONGOING;
-	__atomic_compare_exchange_n(&(pi->state), &exp_state, POWER_USED,
-				    0, __ATOMIC_RELEASE, __ATOMIC_RELAXED);
+	rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state, POWER_USED,
+				    rte_memory_order_release, rte_memory_order_relaxed);
 
 	return 0;
 
 fail:
 	exp_state = POWER_ONGOING;
-	__atomic_compare_exchange_n(&(pi->state), &exp_state, POWER_UNKNOWN,
-				    0, __ATOMIC_RELEASE, __ATOMIC_RELAXED);
+	rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state, POWER_UNKNOWN,
+				    rte_memory_order_release, rte_memory_order_relaxed);
 
 	return -1;
 }
@@ -633,9 +634,9 @@ struct pstate_power_info {
 	 * ordering below as lock to make sure the frequency operations
 	 * in the critical section are under done the correct state.
 	 */
-	if (!__atomic_compare_exchange_n(&(pi->state), &exp_state,
-					POWER_ONGOING, 0,
-					__ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
+	if (!rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state,
+					POWER_ONGOING,
+					rte_memory_order_acquire, rte_memory_order_relaxed)) {
 		RTE_LOG(INFO, POWER, "Power management of lcore %u is "
 				"not used\n", lcore_id);
 		return -1;
@@ -658,15 +659,15 @@ struct pstate_power_info {
 			"'performance' mode and been set back to the "
 			"original\n", lcore_id);
 	exp_state = POWER_ONGOING;
-	__atomic_compare_exchange_n(&(pi->state), &exp_state, POWER_IDLE,
-				    0, __ATOMIC_RELEASE, __ATOMIC_RELAXED);
+	rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state, POWER_IDLE,
+				    rte_memory_order_release, rte_memory_order_relaxed);
 
 	return 0;
 
 fail:
 	exp_state = POWER_ONGOING;
-	__atomic_compare_exchange_n(&(pi->state), &exp_state, POWER_UNKNOWN,
-				    0, __ATOMIC_RELEASE, __ATOMIC_RELAXED);
+	rte_atomic_compare_exchange_strong_explicit(&(pi->state), &exp_state, POWER_UNKNOWN,
+				    rte_memory_order_release, rte_memory_order_relaxed);
 
 	return -1;
 }
-- 
1.8.3.1


  parent reply	other threads:[~2023-10-16 23:09 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-16 23:08 [PATCH 00/21] " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 01/21] power: fix use of rte stdatomic Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 02/21] event/cnxk: remove single " Tyler Retzlaff
2023-10-16 23:08 ` Tyler Retzlaff [this message]
2023-10-16 23:08 ` [PATCH 04/21] bbdev: use rte optional stdatomic API Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 05/21] eal: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 06/21] eventdev: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 07/21] gpudev: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 08/21] ipsec: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 09/21] mbuf: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 10/21] mempool: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 11/21] rcu: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 12/21] pdump: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 13/21] stack: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 14/21] telemetry: " Tyler Retzlaff
2023-10-16 23:08 ` [PATCH 15/21] vhost: " Tyler Retzlaff
2023-10-16 23:09 ` [PATCH 16/21] cryptodev: " Tyler Retzlaff
2023-10-16 23:09 ` [PATCH 17/21] distributor: " Tyler Retzlaff
2023-10-16 23:09 ` [PATCH 18/21] ethdev: " Tyler Retzlaff
2023-10-16 23:09 ` [PATCH 19/21] hash: " Tyler Retzlaff
2023-10-16 23:09 ` [PATCH 20/21] timer: " Tyler Retzlaff
2023-10-16 23:09 ` [PATCH 21/21] ring: " Tyler Retzlaff
2023-10-17 20:30 ` [PATCH v2 00/19] " Tyler Retzlaff
2023-10-17 20:30   ` [PATCH v2 01/19] power: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 02/19] bbdev: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 03/19] eal: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 04/19] eventdev: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 05/19] gpudev: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 06/19] ipsec: " Tyler Retzlaff
2023-10-24  8:45     ` Konstantin Ananyev
2023-10-17 20:31   ` [PATCH v2 07/19] mbuf: " Tyler Retzlaff
2023-10-24  8:46     ` Konstantin Ananyev
2023-10-17 20:31   ` [PATCH v2 08/19] mempool: " Tyler Retzlaff
2023-10-24  8:47     ` Konstantin Ananyev
2023-10-17 20:31   ` [PATCH v2 09/19] rcu: " Tyler Retzlaff
2023-10-25  9:41     ` Ruifeng Wang
2023-10-25 22:38       ` Tyler Retzlaff
2023-10-26  4:24         ` Ruifeng Wang
2023-10-26 16:36           ` Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 10/19] pdump: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 11/19] stack: " Tyler Retzlaff
2023-10-24  8:48     ` Konstantin Ananyev
2023-10-17 20:31   ` [PATCH v2 12/19] telemetry: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 13/19] vhost: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 14/19] cryptodev: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 15/19] distributor: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 16/19] ethdev: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 17/19] hash: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 18/19] timer: " Tyler Retzlaff
2023-10-17 20:31   ` [PATCH v2 19/19] ring: " Tyler Retzlaff
2023-10-24  8:43     ` Konstantin Ananyev
2023-10-24  9:56       ` Morten Brørup
2023-10-24 15:58         ` Tyler Retzlaff
2023-10-24 16:36           ` Morten Brørup
2023-10-24 16:29       ` Tyler Retzlaff
2023-10-25 10:06         ` Konstantin Ananyev
2023-10-25 22:49           ` Tyler Retzlaff
2023-10-25 23:22             ` Tyler Retzlaff
2023-10-17 23:55   ` [PATCH v2 00/19] " Stephen Hemminger
2023-10-26  0:31 ` [PATCH v3 " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 01/19] power: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 02/19] bbdev: " Tyler Retzlaff
2023-10-26 11:57     ` Maxime Coquelin
2023-10-26  0:31   ` [PATCH v3 03/19] eal: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 04/19] eventdev: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 05/19] gpudev: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 06/19] ipsec: " Tyler Retzlaff
2023-10-26 15:54     ` [EXT] " Akhil Goyal
2023-10-27 12:59     ` Konstantin Ananyev
2023-10-26  0:31   ` [PATCH v3 07/19] mbuf: " Tyler Retzlaff
2023-10-27 13:03     ` Konstantin Ananyev
2023-10-26  0:31   ` [PATCH v3 08/19] mempool: " Tyler Retzlaff
2023-10-27 13:01     ` Konstantin Ananyev
2023-10-26  0:31   ` [PATCH v3 09/19] rcu: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 10/19] pdump: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 11/19] stack: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 12/19] telemetry: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 13/19] vhost: " Tyler Retzlaff
2023-10-26 11:57     ` Maxime Coquelin
2023-10-26  0:31   ` [PATCH v3 14/19] cryptodev: " Tyler Retzlaff
2023-10-26 15:53     ` [EXT] " Akhil Goyal
2023-10-27 13:05     ` Konstantin Ananyev
2023-10-26  0:31   ` [PATCH v3 15/19] distributor: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 16/19] ethdev: " Tyler Retzlaff
2023-10-27 13:04     ` Konstantin Ananyev
2023-10-26  0:31   ` [PATCH v3 17/19] hash: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 18/19] timer: " Tyler Retzlaff
2023-10-26  0:31   ` [PATCH v3 19/19] ring: " Tyler Retzlaff
2023-10-27 12:58     ` Konstantin Ananyev
2023-10-26 13:47   ` [PATCH v3 00/19] " David Marchand
2023-10-30 15:34   ` David Marchand

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